Lennard households in each
county in the Primary Valuation property survey of 1847-64.

Very numerous: all areas, especially Ulster and Galway-Mayo. A common English name, it has been used to anglicise a number of indigenous names: Ó Leannáin, Ó Lionáin, Ó Lonáin, Ó Luinín, Mac Giolla Fhinnéin, Mac Conaonaigh. See Lennon. IF.